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A correct electrochemical series can be ...

A correct electrochemical series can be obtained from K,Ca,Na,Al,Mg,Zn,Fe,Pb,H,Cu,Hg,Ag,Au by interchanging:

A

Al and Mg

B

Zn and Fe

C

Zn and Pb

D

Pb and H

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The correct Answer is:
A
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